package com.zzy.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.zzy.domain.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("/order")
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/getUserById/{id}")
    @HystrixCommand(fallbackMethod = "getUserByIdFallback")
    public User getUserById(@PathVariable("id") Long id){
        String url = "http://user-service/user/getUserById/" + id;
        User user = restTemplate.getForObject(url, User.class); // 第一个参数是请求地址，第二个参数是返回值类型的字节码对象
        return user;
    }

    public User getUserByIdFallback(Long id){

        return new User(-1L,"触发熔断","当前服务不可用,请稍后再试");
    }

}
